.header {
    height: 37px;
    background-color: #fff;
    margin-bottom: 12px;
    border-radius: 4px;
    padding: 0 5px;
    box-sizing: border-box;
    position: fixed;
    width: 100%;
    z-index: 999
}

.main-content {
    background-color: #fff;
    border-radius: 4px;
    padding: 10px;
    box-sizing: border-box;
    height: 100%
}

.main-content:focus {
    outline: 0 !important;
}

.ld-content:focus {
    outline: 0 !important;
}